| article html file updated | 7 February 2020 12:36 CET | Update | https://www.mdpi.com/1996-1944/9/8/643 |
| article html file updated | 5 May 2019 08:29 CEST | Update | - |
| article html file updated | 27 March 2019 11:57 CET | Update | - |
| article html file updated | 26 August 2016 06:57 CEST | Update | - |
| article html file updated | 30 July 2016 05:50 CEST | Original file | - |
| article xml uploaded. | 30 July 2016 05:48 CEST | Update | https://www.mdpi.com/1996-1944/9/8/643/xml |
| article pdf uploaded. | 30 July 2016 05:48 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/643/pdf |
